51494044 has 12 divisors (see below), whose sum is σ = 102988144. Its totient is φ = 22068864.

The previous prime is 51494039. The next prime is 51494059. The reversal of 51494044 is 44049415.

51494044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

51494044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51493997 and 51494015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919509 + ... + 919564.

Almost surely, 2^51494044 is an apocalyptic number.

It is an amenable number.

51494044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51494044 is a wasteful number, since it uses less digits than its factorization.

51494044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839084 (or 1839082 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 51494044 is about 7175.9350610217. The cubic root of 51494044 is about 372.0365998598.

The spelling of 51494044 in words is "fifty-one million, four hundred ninety-four thousand, forty-four".